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Observations of Titan's Stratosphere during Northern Summer: Temperatures, CH3CN and CH3D Abundances
Butler, Bryan; Vinatier, Sandrine; Lellouch, Emmanuel +11 more
Titan's atmospheric composition and dynamical state have previously been studied over numerous epochs by both ground- and space-based facilities. However, stratospheric measurements remain sparse during Titan's northern summer and fall. The lack of seasonal symmetry in observations of Titan's temperature field and chemical abundances raises questi…
A Survey of CO, CO2, and H2O in Comets and Centaurs
Bauer, James; Harrington Pinto, Olga; Womack, Maria +1 more
CO and CO2 are the two dominant carbon-bearing molecules in comae and have major roles in driving activity. Their relative abundances also provide strong observational constraints to models of solar system formation and evolution but have never been studied together in a large sample of comets. We carefully compiled and analyzed publish…